Lua APA (7ú heag.)
Collins, J. P., & Crump, M. L. (2009). Extinction in our times: Global amphibian decline. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)
Collins, James P., agus Martha L. Crump. Extinction in Our Times: Global Amphibian Decline. Oxford ; New York: Oxford University Press, 2009.
Lua MLA (9ú heag.)
Collins, James P., agus Martha L. Crump. Extinction in Our Times: Global Amphibian Decline. Oxford University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.